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Studying the elimination pattern of Caprine Arthritis Encephalitis Virus in the milk of infected females

Gaeta, Natália Carrillo; Hasegawa, Marjorie Yumi; Ribeiro, Bruno Leonardo Mendonça; Gomes, Ana Lisa; Castro, Roberto Soares; Gregory, Lilian.
Acta Sci. vet.; 44: 01-04, 2016. graf
Artigo em Inglês | VETINDEX | ID: vti-722716

Resumo

Background: Small ruminants can be infected by lentiviruses, such as Maedi-Visna Virus (MVV) and Caprine ArthritisEncephalitis Virus (CAEV). The main route of transmission is via ingestion of contaminated colostrum and milk although vertical transmission can occur. Recently, several studies for molecular detection of CAEV in milk, using conventional PCR and real-time PCR are being carried out. Considering the elimination of CAEV through the milk of infected animals and the importance of this virus in the goat production, the aim of this study was to evaluate the elimination pattern of CAEV in milk, evaluating the frequency and the concentration eliminated during the lactation.Materials, Methods & Results: A cohort of four negative females for CAEV was inseminated with semen experimentally infected with CAEV-Cork strain. They were located in stalls at the Hospital of Ruminants from School of Veterinary Medicine and Animal Science from University of São Paulo, Brazil. Goats received coast-cross hay, pellet feeding, mineral salt and water ad libitum. All females were observed every day during pregnancy. After lambing, kids received warm bovine colostrum and bovine milk powder during two months. Forty milk samples were collected at five-day interval during two months. A mixture of five milliliters from each teat was obtained and cDNA extraction was performed using DNA Mini Kit.[...](AU)
Biblioteca responsável: BR68.1
Localização: BR68.1